How to Translate and Rewrite Text With AI

You have a paragraph that needs to be clearer, friendlier, shorter, or available in another language. The words can change, but the meaning, names, dates, numbers, and instructions cannot.

AI can produce a useful first version. The safest method is to tell it exactly which job it is doing and which details it is not allowed to change.

Choose one transformation at a time: choose one task—translate, rewrite, or simplify—then lock the facts that must remain unchanged. Ask the AI to flag uncertainty instead of guessing, and compare the result with the original before you use it.

Choose the right task first

These requests sound similar, but they produce different results.

What you need	Ask the AI to do	What should stay unchanged
Another language	Translate	Meaning, names, dates, numbers, links, and defined terms
Better wording	Rewrite	Facts, decision, examples, and intended audience
Easier reading	Simplify	Meaning, required instructions, warnings, and important detail
Different tone	Change the tone	Facts, commitments, deadlines, and level of certainty

Do not ask for all four at once unless the text is very short. Translate first, check the meaning, and then request a tone or clarity change if needed.

Copy this prompt

Task: [translate into language / rewrite / simplify / change the tone].

Intended reader: [who will read it].

Desired tone or reading level: [plain, friendly, formal, concise, or another choice].

Preserve exactly:

– Names: [list]

– Dates and times: [list]

– Numbers, prices, and codes: [list]

– Links and email addresses: [list]

– Terms that must not be translated or changed: [list]

Do not add facts or remove instructions. If a phrase is ambiguous, mark it [CHECK] instead of guessing.

Return two sections: Result and Preservation check. In the preservation check, list every locked detail and show whether it remained unchanged.

Source text:

"""

[paste the safe text here]

"""

Putting the instructions before the source text and separating the text clearly makes the task easier to follow. The preservation check is not proof that the result is correct, but it gives you a faster place to start reviewing.

A simple rewrite example

Here is an invented workshop notice:

Hi Marta, the workshop has moved from Room 2B to Room 4A. It will start at 2:30 p.m. on November 12. Please confirm by November 8. Bring registration code HL-204.

Suppose you ask for a plain-English rewrite while locking Marta, Room 2B, Room 4A, 2:30 p.m., November 12, November 8, and HL-204.

A useful result would be:

Hi Marta,

The workshop is now in Room 4A instead of Room 2B. It starts at 2:30 p.m. on November 12. Please confirm by November 8 and bring registration code HL-204.

The wording is easier to scan, but every operational detail remains visible.

For a translation, check the same locked values in the translated result. Names and codes may not need translation at all. Date formats can change between languages and regions, so confirm that the meaning is still unambiguous rather than checking only whether the characters match.

Check meaning, not just grammar

A sentence can be fluent and still be wrong. Review the result for:

• Missing information: Did a condition, warning, or exception disappear?
• Changed certainty: Did “may” become “will,” or “recommended” become “required”?
• Changed responsibility: Did the person doing the action change?
• Changed timing: Did “by November 8” become “on November 8”?
• Changed tone: Did a polite request become an order, or a firm decision become optional?
• Added detail: Did the AI insert an explanation, benefit, promise, or example that was not in the source?

For important text, compare one sentence at a time. Reading only the finished version makes a polished mistake harder to spot.

Use a glossary for repeated terms

If you regularly translate product names, program names, job titles, or technical terms, keep a short approved glossary.

For example:

Source term	Required result
H5W Starter Session	Do not translate
member ID	Use the organization's approved term
check-in	Use the same translated term every time

Paste only the terms needed for the current text. A glossary improves consistency, but it should not contain confidential client information or personal records.

Know when AI is not enough

Use a qualified human translator or subject expert when an error could change someone's rights, treatment, money, immigration status, employment, safety, or legal obligations.

Examples include:

• contracts and legal notices;
• medical instructions and consent forms;
• immigration and government documents;
• safety warnings;
• certified school or employment records;
• public information that must meet an official language standard.

AI can help you understand the general idea or prepare questions. It should not be presented as a certified translation unless an authorized professional has completed the required process.

Protect the source text

Translation and rewriting tools need the text you submit in order to process it. That does not mean every text is appropriate to paste into every service.

Remove names, contact details, account numbers, health information, client data, internal strategy, and other unnecessary identifiers. For workplace material, use the system and account your organization has approved.

Privacy terms can also differ between free and paid services. DeepL's current privacy policy, for example, distinguishes how submitted text is handled in its free and Pro services and tells free-service users not to submit personal data. Recheck the current policy for the exact service and account you plan to use.

The final check

Before you send, publish, or rely on the result:

1. Compare every name, date, time, number, price, code, and link.
2. Confirm that warnings, exceptions, and required actions remain present.
3. Check that the level of certainty has not changed.
4. Ask a fluent speaker to review important translations when possible.
5. Use a professional for high-stakes or certified material.
6. Remove any [CHECK] markers only after resolving them from the source.

The goal is not to preserve every original word. It is to preserve the information and decision that matter.

Next steps

• Use How to Write a Professional Email With AI when the rewritten text needs to become a complete message.
• Review What Information Should You Never Share With AI? before pasting private or confidential material.

Sources and verification

Information last verified on October 10, 2026. Product privacy wording and availability may change, so check the linked official sources before relying on them later.

• OpenAI: Prompt engineering best practices for ChatGPT
• DeepL: Privacy Policy
• Google: Google Translate Help
• OpenAI: Data Controls FAQ

Keep going

Choose your next step

Return to Write & Reply for the full collection, or continue with a closely related guide.

Browse all Write & Reply guides→ How to Write a Professional Email With AI→ How to Turn Meeting Notes Into a Follow-Up Email With AI→